[nautilus] libgd: update to latest commit

[Ernestas Kulik <ernestask src gnome org>]

commit 2fc8866a6f371f3d64db64bc73df810b273aeaa7
Author: Ernestas Kulik <ernestask gnome org>
Date:   Sun Mar 5 21:57:21 2017 +0200

    libgd: update to latest commit

 libgd |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgd b/libgd
index 1bd7f34..8bb1aeb 160000
--- a/libgd
+++ b/libgd
@@ -1 +1 @@
-Subproject commit 1bd7f34a58f11f4bdebcbe5ca3371b89c6c2c83c
+Subproject commit 8bb1aebf7f2488fb81052732224a8ec79c36fcfa